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All-Welded Process Gauge and Diaphragm Seal - XR-Series by Ross Brown Sales

Supplier: Ross Brown Sales

Integrating the reliability and strength of the 4-½ Model 1981 Solfrunt Process Gauge with the proven solidity of M&G Diaphragm Seals, the XR-Series of All-Welded Process Gauge and Diaphragm Seals are airtight and resistant to tampering.

Price Guide: POA

  • Best solution for operator safety
  • Leak-proof - all joints are welded
  • Seamless bourdon tube gauge standard
  • Compact Size
  • Tamper resistant - cant remove gauge
  •  4:1 safety ratio
  • Ranges from 0 to 15 psi to 0 to 3000 psi


  • Refineries
  • Petrochemical manufacturing
  • Oilfield equipment
  • Chemical manufacturing

Ametek USG's XR new Finned Top model has been upgraded to include cooling fins on the body of the seal to improve its cooling features and an optional flushing port. The XR Series increases worker safety by reducing potential leaks in your process by welding the gauge to the seal and including the Model 1981 process gauge with a seamless bourdon tube.

The XR-81 is compliant to NACE MR-01-03 and MR-0175 requirements. The designed operating pressure is 3000 psi at 100 degrees Farenheit and has a maximum static pressure rating of 5000 psi. The standard XR diaphragm seal has a 4:1 safety ratio and is available in 316L SST, Hastelloy, Monel and Tantalum diaphragms.


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